in the harry oakes case in which the former king of england was involved, they actually did take a class, the person they wanted to frame grabbed the glass and then entered it into evidence. by the time the trial came out this was revealed. but very few instances of actually framing. i find instances where a suicide, at it surreptitiously arranged murder. >> a crime scene where the criminal staged the crime scene, but also crime scenes where the police have examined the crime scene and decided that it was staged, just simply on the basis of looking at it, there's something about it that says, ooh, this isn't right in the macdonald case, it was a flower pot and a coffee table. these two physical objects seemed to just radiate the fact that this man had lied. coffee table it turned out was knocked over by one of the mp investigators. the coffee table, but how do you know if you walk into a room, whether the room has been staged to look in a certain way so you'll come to some conclusion? maybe this is staged. it's possible. how do you know whether something is staged or not? >> a descriptio